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Bosch
Electric Wall Oven

Model # HBN5042AUC/01 Official Bosch wall oven

Here are the diagrams and repair parts for Official Bosch HBN5042AUC-01 wall oven, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 143 parts  |
Wall Oven Filter 489268
#107

Control panel diagram

Wall oven filter

Part #489268

Replaced by #00489268

?
Manufacturer substitution
This part replaces 489268. Substitute parts can look different from the original.
$29.04
| 
17% OFF Phone Price : $35.04
In Stock
Broil Grille 143673
#435

Body diagram

Broil grille

Part #143673

Replaced by #00449756

?
Manufacturer substitution
This part replaces 143673. Substitute parts can look different from the original.
$57.89
In Stock
Element 241778
#337

Oven cavity diagram

Element

Part #241778

Replaced by #00241778

?
Manufacturer substitution
This part replaces 241778. Substitute parts can look different from the original.
$114.79
| 
9% OFF Phone Price : $126.79
In Stock
Oven Bulb 420228
#325

Oven cavity diagram

Oven bulb

Part #420228

Replaced by #00189351

?
Manufacturer substitution
This part replaces 420228. Substitute parts can look different from the original.
$25.79
| 
19% OFF Phone Price : $31.79
In Stock
Oven Motor 490365
#201

Plenum diagram

Oven motor

Part #490365

The manufacturer no longer makes this part, and there's no substitute part

Oven Handle 239464
#522B

Oven door diagram

Oven handle

Part #239464

The manufacturer no longer makes this part, and there's no substitute part

Door 243229
#520

Oven door diagram

Door

Part #243229

The manufacturer no longer makes this part, and there's no substitute part

Element 420229
#329

Oven cavity diagram

Element

Part #420229

The manufacturer no longer makes this part, and there's no substitute part

Cap 421020
#109A

Control panel diagram

Cap

Part #421020

The manufacturer no longer makes this part, and there's no substitute part

Oven Element 420225
#323

Oven cavity diagram

Oven element

Part #420225

The manufacturer no longer makes this part, and there's no substitute part

Most common symptoms to help you fix your wall oven

Choose a symptom to see related wall oven repairs.

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Why isn't my wall oven at the temperature I set?

Main causes: faulty oven temperature sensor, control system problem, weak burner igniter, damaged oven element...

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Why won't my wall oven bake?

Main causes: broken bake element, bad bake burner igniter, tripped thermal switch, control system failure...

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Why won't my wall oven broil?

Main causes: broken broil element, faulty broil burner igniter, control system failure...

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Why won't my wall oven door unlock?

Main causes: bad oven door lock assembly, faulty electronic control board, wiring failure...

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Why won't my wall oven heat?

Main causes: lack of gas supply, broken igniter, tripped circuit breaker, broken oven element, tripped thermal fuse, con...

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Why doesn't my wall oven work?

Main causes: lack of electrical power, bad electronic control board, faulty oven control thermostat...

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Most common repair guides to help fix your wall oven

These step-by-step repair guides will help you safely fix what’s broken on your wall oven.

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How to replace a wall oven thermal fuse

How to replace a wall oven thermal fuse

The thermal fuse trips to prevent the over from excessively overheating. The oven won't heat again until you replace the...

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Repair difficulty
Time required
60 minutes or less
How to replace a wall oven control thermostat

How to replace a wall oven control thermostat

Get your oven temperature under your control by replacing a faulty oven control thermostat....

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Repair difficulty
Time required
60 minutes or less
How to replace a wall oven door outer glass panel

How to replace a wall oven door outer glass panel

Learn how to replace a damaged outer window panel on your wall oven door with these step-by-step instructions. ...

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Repair difficulty
Time required
45 minutes or less

Effective articles & videos to help repair your wall oven

Use the advice and tips in these articles and videos to get the most out of your wall oven.

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5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

5 Holiday Cleaning Tasks Essential to Boosting Your Home’s Image

Get tips on completing essential holiday cleaning tasks to brighten your home....

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How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier....

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Top questions about Sears and Sears PartsDirect

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